Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.537-55-3
high quality n-acetyl-l-tyrosine cas 537-55-3
2.cas #: 537-55-3;
3.aji92;
4.purity >98.0%;
n-acetyl-l-tyrosine
product name: ac-tyr-oh cas #: 537-55-3
synonyms: n-acetyl-l-tyrosine molecular formula: c11h13no4
molecular weight: 223.23
specifications: (reference standard : aji92)
items |
standard |
analysis data |
appearance |
white crystal or white crystalline powder |
conforms |
specific rotation [20/d] (c=2 in h2o) |
+45 to +49 degree |
46.2° |
transmittance |
not less than 95.0% |
96.5% |
heavy metals (pb) |
not more than 10 ppm |
<10ppm |
arsenic (as2o3) |
not more than 2 ppm |
<2ppm |
loss on drying |
not more than 0.50% |
0.25% |
residue on ignition |
not more than 0.30% |
0.1% |
assay |
98.0 to 102.0% |
99.2% |
ph |
2.0 to 3.0 |
2.3 |